/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

header {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('/images/mountain-bg.jpg') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 4rem 1rem;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.profile-photo img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 3px solid white;
    object-fit: cover;
}

.profile-info h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.profile-info p {
    font-size: 1.2rem;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 1rem 0;
    background-color: rgba(0, 0, 0, 0.5);
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #4CAF50;
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.section {
    background-color: white;
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.section h2 {
    color: #2E7D32;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #4CAF50;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 1rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #4CAF50;
}

.skills-grid, .passions-grid, .realisations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.realisation-item {
    background-color: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s;
}

.realisation-item:hover {
    transform: translateY(-5px);
}

.realisation-item h3 {
    color: #2E7D32;
    margin-bottom: 0.5rem;
}

.realisation-link {
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
    color: #4CAF50;
    text-decoration: none;
    font-weight: bold;
}

.realisation-link:hover {
    color: #2E7D32;
}

.realisation-link i {
    margin-right: 0.5rem;
}

.skill-item, .passion-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background-color: #f9f9f9;
    border-radius: 8px;
    transition: transform 0.3s;
}

.skill-item:hover, .passion-item:hover {
    transform: translateY(-5px);
}

.skill-item i, .passion-item i {
    font-size: 2rem;
    color: #4CAF50;
    margin-bottom: 0.5rem;
}

.contact-details {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-details p {
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #4CAF50;
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #2E7D32;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: white;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.submit-button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background-color: #2E7D32;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    nav ul li {
        margin: 0.5rem 0;
    }
    .skills-grid, .passions-grid, .realisations-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}
    #back-to-top {
        display: none;
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        border: none;
        border-radius: 50%;
        background-color: #333;
        color: white;
        font-size: 20px;
        cursor: pointer;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        z-index: 9999;
    }

    #back-to-top:hover {
        background-color: #555;
    }